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Explore the most exciting new ideas and emerging concepts in science, health, technology and the environment with 91av’s exclusive in-depth articles, interviews and long reads.

Rats laugh at a pitch too high for humans to hear

Life

Rats have a ‘laugh centre’ in their brains that responds to tickling

A region of the midbrain in rodents appears to be instrumental in enabling rats to engage in laughter and play

News

Health

Women may age fastest during their 30s and 50s

News
Intermittent fasting could make immune cells more effective in fighting pathogens and cancers

Health

Intermittent fasting could boost immunity in addition to weight loss

News

Health

Loss of smell may be an early sign of Alzheimer’s in at-risk people

News

Mathematics

Mathematicians find 27 tickets that guarantee UK National Lottery win

News

Environment

These are the five most shocking climate records this week

News
2RCFK7R Los Angeles, United States. 14th July, 2023. Members of the SAG-AFTRA actors union join writers on the picket lines, marking the first time in 63 years both unions have been on strike at the same time, with many observer fearing the labor impasse could last for months as the sides remain far apart on key issues. The range of issues include pay and the use of artificial intelligence. Photo by Jim Ruymen/UPI Credit: UPI/Alamy Live News

Technology

AI news recap: While Hollywood strikes, is ChatGPT getting worse?

News

Humans

Ancient make-up in Chinese tomb includes concealer and skin lightener

News

Technology

Shirt woven with metal could help medical implants communicate

News
British Formula E racing team, Envision Racing's Recover-e car, made entirely out of electronic waste

Technology

Formula E unveils racing car made from electronic waste

A Formula E racing car made from iPhones, chargers, batteries and single-use vapes has been built in the UK to highlight the increasing problem of electronic waste

News

Health

People in the US passed swine flu to pigs nearly 400 times in 12 years

News

Humans

Origin of Indo-European languages traced back to 8000 years ago

News

Environment

Is geological hydrogen a green solution to our energy needs?

News

Health

Targeted mRNA delivery will lead to cheaper cures for many diseases

News